LEONARD See also:

• HORNER, FRANCIS (1778–1817)
• LEONARD HORNER (1785-1864)

HORNER (1785-1864)  , Scottish geologist, See also:

• BROTHER

brother of See also:

• FRANCIS
• FRANCIS (FRarrcols) OF SALES, ST (1567-1622)
• FRANCIS (Lat. Franciscus, Ital. Francesco, Span. Francisco, Fr. Francois, Ger. Franz)
• FRANCIS, SIR PHILIP (174o-1818)

Francis See also:

• HORNER, FRANCIS (1778–1817)
• HORNER, LEONARD (1785-1864)

Horner (above), was See also:

• BORN, IGNAZ, EDLER VON (1742–1791)

born in See also:

• EDINBURGH

Edinburgh on the 17th of See also:

• JANUARY

January 1785 . His See also:

• FATHER

father, See also:

• JOHN
• JOHN (1167–1216)
• JOHN (1290-c. 1320)
• JOHN (1296-1346)
• JOHN (1371–1419)
• JOHN (1468-1532)
• JOHN (1801-1873)
• JOHN (Heb. llni')
• JOHN (ZAPOLYA) (1487-1540)
• JOHN, 4TH MARQUESS OF TWEEDDALE (c. 1695-1762)
• JOHN, DON (1545-1578)
• JOHN, DON (1629–1679)
• JOHN, GOSPEL OF ST
• JOHN, or HAYS (1513–1571)
• JOHN, THE APOSTLE
• JOHN, THE EPISTLES OF

John Horner, was a See also:

• LINEN

linen See also:

• MERCHANT (O. Fr. marcheant, modern marchand; from Lat. mercari, to trade, merx, goods, merchandise)

merchant in Edinburgh, and Leonard, the third and youngest son, entered the university of Edinburgh in 1799 . There in the course of the next four years he studied See also:

• CHEMISTRY
• CHEMISTRY (formerly "chymistry"; Gr. xvµela; for derivation see ALCHEMY)

chemistry and See also:

• MINERALOGY

mineralogy, and gained a love of See also:

• GEOLOGY (from Gr. yp7, the earth, and Abyor, science)

geology from See also:

• PLAYFAIR, JOHN (1748-1819)
• PLAYFAIR, LYON PLAYFAIR

Playfair's Illustrations of the Kuttonian Theory . At the See also:

• AGE (Fr. age, through late Lat. aetaticum, from aetas)

age of nineteen he became a partner in a See also:

• BRANCH (from the Fr. branche, late Lat. branca, an animal's paw)

branch of his father's business, and went to See also:

• LONDON

London . In i 8o8 he joined the newly formed See also:

• GEOLOGICAL

Geological Society and two years later was elected one of the secretaries . Throughout his See also:

• LONG, GEORGE (1800-1879)
• LONG, JOHN DAVIS (1838– )

long See also:

• LIFE

life he was ardently devoted to the welfare of the society; he was elected See also:

• PRESIDENT (Fr. president, from Lat. praesidens, post-Augustan Lat. for praeses, director, ruler, from praesidere, to sit in front of, preside)

president in 1846 and again in 186o . In 1811 he read his first See also:

• PAPER
• PAPER (Fr. papier, from Lat. papyrus)

paper " On the Mineralogy of the See also:

• MALVERN

Malvern Hills " (Trans . Geol . See also:

• SOC

Soc. vol. i.) and subsequently communicated other papers on the " Brine-springs at See also:

• DROITWICH

Droitwich," and the " Geology of the S.W. See also:

• PART

part of See also:

• SOMERSETSHIRE

Somersetshire." He was elected F.R.S. in 1813 . In 1815 he returned to Edinburgh to take See also:

• PERSONAL

personal superintendence of his business, and while there (1821) he was instrumental in See also:

• FOUNDING (from Lat. fundere, to pour)

founding the Edinburgh School of Arts for the instruction of See also:

• MECHANICS

mechanics, and he was one of the founders of the Edinburgh See also:

• ACADEMY, GREEK
• ACADEMY, ROYAL

Academy . In 1827 he was invited to London to become See also:

• WARDEN

warden of the London University, an See also:

• OFFICE (from Lat. officium, " duty," " service," a shortened form of opifacium, from facere, " to do," and either the stem of opes, " wealth," " aid," or opus, " work ")

office which he held for four years; he then resided at See also:

• BONN

Bonn for two years and pursued the study of minerals and rocks, communicating to the Geological Society on his return a paper on the " Geology of the Environs of Bonn," and another " On the Quantity of Solid See also:

• MATTER

Matter suspended in the See also:

• WATER

Water of the See also:

• RHINE (Lat. Rhenus, Ger. Rhein, Fr. Rhin, Dutch Rhyn, or Rijn)

Rhine." In 1833 he was appointed one of the commissioners to inquire into the employment of See also:

• CHILDREN, LAW RELATING TO

children in the factories of See also:

• GREAT

Great See also:

• BRITAIN (Gr. Hperavuml vi7vot, Bperravia; Lat. Britannia, rarely Britannia)

Britain, and he was subsequently selected as one of the inspectors . In later years he devoted much See also:

• ATTENTION (from Lat. ad-tendo, await, expect; the condition of being " stretched " or " tense ")

attention to the geological See also:

• HISTORY

history of the See also:

• SILLIMANITE

sillimanite, but kyanite appears also in hornfelses, especially in See also:

• EVIDENCE (Lat. evidentia, evideri, to appear clearly)

evidence of this .

While this "felspathization" may have occurred in a few localities, it seems conspicuously absent from others . Most authorities at the See also:

• PRESENT

present See also:

• TIME (0. Eng. Lima, cf. Icel. timi, Swed. timme, hour, Dan. time; from the root also seen in " tide," properly the time of between the flow and ebb of the sea, cf. O. Eng. getidan, to happen, " even-tide," &c.; it is not directly related to Lat. tempus)
• TIME, MEASUREMENT OF
• TIME, STANDARD

time regard the changes as being purely of a See also:

• PHYSICAL

physical and not of a chemical nature . (J . S .